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1.
.224 Weatherby Magnum
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The.224 Weatherby Magnum is a sporting cartridge that was developed in 1963 by Roy Weatherby after about 10 years of development. It is a cartridge with no major firearms manufacturers chambering rifles for it other than Weatherby. It was originally called the.224 Weatherby Varmintmaster when it was introduced alongside the Weatherby Varmintmaster rifle, but the rifle was discontinued in 1994 and the cartridge was renamed. The cartridge design began earlier but its introduction was delayed, at least in part. An earlier high-velocity.22 caliber round from Weatherby called the.220 Weatherby Rocket was based on the.220 Swift though it was unsuccessful and never manufactured. Performance is similar to the popular. 22-250 and the lesser used.225 Winchester putting it in between the.220 Swift and.223 Remington cartridges, possibly because of the similar performance and popularity of the. 22-250, this round has never gotten a very large following. Costs for ammunition and rifles for this also tend to be much more expensive.22 caliber rifles are legal in some areas for big game up to the size of deer or larger. Convention holds the.224 Weatherby and similar cartridges are better suited to long-range varminting, similar statements are made concerning other big 22 caliber cartridges like the 220 Swift and.223 WSSM. Currently many states in the United States do allow 22 caliber rifles on big game, ackley believed that fast 22 caliber cartridges were suitable for medium-large game. Craig Boddington has said that such cartridges are suitable for smaller deer, bullets suited for hunting big-game are available from major manufacturers such as Nosler and Barnes. 5 mm caliber, other cartridges of 5–6 mm caliber, list of rifle cartridges Table of handgun and rifle cartridges Weatherby official site

2.
.240 Weatherby Magnum
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The.240 Weatherby Magnum was developed in 1968 by Roy Weatherby. It was the last cartridge to be designed by Roy Weatherby, the.240 Weatherby Mag. is a proprietary cartridge used only in Weatherby rifles. This particular Weatherby case is unique, other than shape, it isnt physically based on other Weatherby cases, having the same rim diameter and similar length as the. 30-06. It utilizes the traditional Weatherby rounded double shoulder and a case with a length of 2. 496in. In terms of velocity, the.240 Weatherby Magnum was once the fastest commercially produced 6 mm cartridge, there were several faster wildcat rounds available, but the.240 Wby. Mag. outclassed the 6 mm Remington and the newer.243 WSSM by about 150 ft/s, however, the lightweight.243 WSSM 55gr Ballistic Silvertip now outpaces Weatherbys offerings according to some. Loading data from Western Powders puts the.240 Wby, Mag. at over 4,000 ft/s with a 62 grain Barnes bullet. While favoured by some varmint hunters, the.240 Wby, with the heavier bullets the.240 Wby. Mag. makes for a deer hunting cartridge, but it does tend to require a long barrel in order to achieve peak performance. List of rifle cartridges Table of handgun and rifle cartridges Weatherby Web Site

3.
.257 Weatherby Magnum
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The.257 Weatherby Magnum is a.257 Caliber belted bottlenecked cartridge. It is one of the standard length magnums developed by shortening the.375 H&H Magnum case to approx. The.257 Weatherby Magnum is among one of the flattest shooting commercial cartridges, discrepancies between the metric and U. S. diameters of the bullet may cause some confusion. A.257 bullet has a bullet diameter of 6.53 mm. However. As the bore diameter of the rifle is.250 inches this would make the.257 Weatherby Magnum a 6.35 mm caliber cartridge rather than a 6. 5mm caliber cartridge. The.257 Weatherby Magnum was designed in 1944 and introduced commercially in 1945 by Roy Weatherby as a cartridge as a chambering in his rifles. The 257 Weatherby Magnum is one of Roy Weatherbys favorite calibers, the original cartridge was developed using the H&H Super 30 shortened, blown out, and necked down to accept a.25 caliber bullet. Together with the.270 Weatherby Magnum, the 7mm Weatherby Magnum, and the.300 Weatherby Magnum, the original cartridges were formed using Winchesters.300 H&H Magnum and was only available as a component from Weatherby. Beginning in 1948 Weatherby began offering loaded ammunition for the.257 Weatherby Magnum cartridge which was loaded in house, until then the cartridge was only available as a component brass which would require being loaded before use. Sometime later, the.257 Weatherby brass was manufactured by Richard Speer for Weatherby, However, due to space and organizational constraints Weatherby began looking for a source of ammunition for his cartridge. The search culminated in 1951 with Norma Projektilfabrik being awarded a contract to produce ammunition, ever since the release of the.257 Weatherby Magnum it has remained one of the more popular cartridges in terms of Weatherby sales. Gun writers such as Layne Simpson consider the.257 Weatherby one of his long range cartridges. The.257 Weatherby Magnum shares the same case as the.270 Weatherby Magnum. The.30 Super Belted Rimless H&H manufactured by Winchester served as the parent cartridge for the case design. There has been speculation that Roy Weatherby may have used the full length.375 H&H Magnum case if he had slow burning powders available today when the cartridge was designed. Today, IMR4350 is considered too fast a burning propellant for the cartridge comes into its own with the slowest burning powders now available. Both SAAMI and the CIP have published specification for the cartridge, the CIP standards for the cartridge were published in January 1994.257 Weatherby Magnum SAAMI compliant schematic. SAAMI recommends a barrel rifling contour of 6 grooves with a bore Ø of.2505 in, the recommended optional twist rate is one revolution in 10 in

4.
.270 Weatherby Magnum
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The.270 Weatherby Magnum was the first belted magnum based on the.300 H&H Magnum to be developed by Roy Weatherby. It has the characteristic double-radius shoulders and is necked down to accommodate the. 277in bullets. Like most Weatherby cartridges, the.270 Weatherby was standardized by the Small Arms and Ammunitions Manufacturers Institute in 1994, the first Weatherby cartridge to be used in Africa was the.270 Weatherby on a jackal on June 8,1948. Given its higher pressure and larger case which holds more powder than the.270 Winchester and this performance comes at the cost of more recoil and barrel heat. In addition, a barrel is necessary to take advantage of extra powder to gain maximum velocity. The cartridge is excellent at long-range hunting, but is not well suited to high-volume shooting such as varmint hunting, for those handloading their own cartridges, this is an easy round to load. It does best with full-power loads and is not well-suited for reduced loads, ed Weatherby, son of Roy Weatherby says that the.270 Weatherby is his favorite caliber. As he puts it, there just isnt a better long-range deer caliber and he goes on to mention that it is also quite effective for elk, and pronghorn. List of rifle cartridges Table of handgun and rifle cartridges 7 mm caliber

5.
.30-378 Weatherby Magnum
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The. 30-378 Weatherby Magnum is a.30 caliber, belted, bottle-necked rifle cartridge. The cartridge was developed in response to a US Army military contract in 1959, while still unreleased to the public, the cartridge went on to set world records for accuracy including the first ten 10X in 1,000 yards benchrest shooting. It is currently the highest velocity.30 caliber factory ammunition available, the. 30-378 was originally designed by Roy Weatherby as an anti-personnel/anti-materiel military cartridge for a government contract. The cartridge was created by necking down the.378 Weatherby Magnum to accept a.308 in diameter bullet, the United States Army’s Redstone Arsenal requested a rifle cartridge that could develop 6,000 ft/s for the effects of light bullets against armor. The. 30-378 Weatherby Magnum was able to attain over 5,000 ft/s, using a slower burning and denser propellant, the. 30-378 Weatherby Magnum surpassed the US Army’s requirement of 6,000 ft/s. However, the public had to wait until 1996 for Weatherby to release the cartridge. In the meantime, the. 30-378 Weatherby Magnum had gone on to set records in 1,000 yards benchrest competitions. Earl Chronister, shooting a. 30-378 Weatherby Magnum shot the first ever ten shot 10X with the first nine shot to 3.125 inches and this record stood for over 30 years. Several variations of the. 30-378 Weatherby Magnum were created by custom ammunition manufacturers, hammond rifles and H-S Precision were among the several custom gun manufacturers who chambered and built rifles long before Weatherby got around to releasing the rifle to the public. In 1995 Layne Simpson built a rifle chambered for the. 30-378 Weatherby and developed loading data, the. 30-378 Weatherby Magnum utilizes the.378 Weatherby Magnum as a parent cartridge. The.378 Weatherby case was necked down to accept a.30 caliber bullet while preserving the double radii shoulder of the parent case, the resulting case held a greater volume than any previous commercial cartridge. When the cartridge was created by Roy Weatherby in 1959 there were no commercial propellants that suited the cartridge. Even the standard slow burning powder of the time IMR4350 which was used in the Weatherby line of cartridges was too fast to take advantage of the capacity of the. 30-378 Weatherby cartridge. However, when launching 30 gr bullets which are light for caliber as the Redstone Arsenal contract specified, required the use of relatively faster propellants. However, the public and target shooters used 150 gr and heavier bullets. SAAMI compliant. 30-378 Weatherby Magnum cartridge schematic, All dimensions in inches, SAAMI recommends a 6 groove barrel with a twist rate of 10 in. The recommended bore diameter is.3005 in and groove diameter is.3080 in with each groove having an arc width of.118 in, the. 30-378 Weatherby Magnum is one of the most accurate rifle cartridges. The cartridge held the record for accuracy at 1,000 yards for over thirty years

6.
.300 Weatherby Magnum
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The.300 Weatherby Magnum is a.30 caliber rifle cartridge created by Roy Weatherby in 1944 and produced by Weatherby. It has become the most popular of all the Weatherby cartridges, Roy Weatherby already had experience with other custom cartridges such as his own.270 Weatherby Magnum when he created the.300 Weatherby. Like most of his other magnum cartridges, this is based on a blown-out.300 H&H Magnum case, of course there are quite a few very large.30 caliber wildcat cartridges. One must note, however, when comparing the.300 RUM, performance data is often listed on the side of the ammunition box for those who wish to do an in-store comparison. On average, Weatherby factory ammo is loaded to higher pressures than Remington or Winchester magnum rounds. The Remington round can be handloaded to equal or even surpass the.300 Weatherby in power, the.300 Wby is in common use by big-game hunters all over the world. List of rifle cartridges 7 mm caliber other cartridges in the same caliber range Table of handgun and rifle cartridges

7.
.340 Weatherby Magnum
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The.340 Weatherby Magnum rifle cartridge was introduced in 1963 by creator Roy Weatherby in response to the.338 Winchester Magnum. The.340 Weatherby Magnum uses the same.338 in, diameter bullets as the.338 Winchester Magnum but it does so at greater velocity than its Winchester competition. Reloaders may have trouble matching the published Weatherby velocities as Weatherby factory ammunition is loaded to maximum specifications, Weatherby no longer loads the 250gr. Round-nose cartridge pictured but continues to load the 250 gr, Weatherby has also expanded their factory loads including Nosler Ballistic-tip and Barnes TSX bullets complementing the powerful cartridge. Currently A-square is the other factory ammunition producer of the.340 Weatherby Magnum which has led to limited popularity of the caliber. In field tests the.340 clearly out performs the 300 Ultra mag.338 win mag. and even rivals the larger.375 H&H, providing a much flatter shooting and harder hitting performance. This cartridge is powerful enough for even the largest North American game and is suitable for most African game as well, Weatherby.338 Winchester Magnum List of rifle cartridges

8.
.375 Weatherby Magnum
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The.375 Weatherby Magnum is a medium-bore rifle cartridge. The cartridge is an out, improved and provided with the Weatherby double radius shoulder – given the Weatherby treatment – version of the.375 H&H Magnum. The.375 Weatherby Magnum was designed by Roy Weatherby in South Gate California in 1944, the original cases were fire formed from.300 H&H Magnum Winchester brass, then from Richard Speer’s 300 Weatherby brass before finally settling with Norma as a source for cases. It was also with Norma that Weatherby finally found a source for loaded ammunition, production of.375 Weatherby ammunition ceased in 1960 but was reintroduced in 2001 due to demand. The.375 Weatherby was designed as a game cartridge. The cartridge is able to fire a 300 gr bullet at 2,800 ft/s generating an energy of 5,224 ft·lbf with the trajectory of the 30-06 Springfield. This performance level makes it an all round African safari cartridge that is usable against plains game species as well. The.375 Weatherby is considered powerful for North American game. As the.375 Weatherby is an improved cartridge.375 H&H Magnum ammunition can be fired in.375 Weatherby chambers with a loss in performance of the.375 H&H ammunition. Cases thus fired are in essence fire formed to the Weatherby cartridges dimensions, Reloading data is available from A-Square, Barnes and Hornady. Ammunition is available from Weatherby, A-Square and Connelly Precision, rifles are available from Weatherby and A-Square. Most.375 H&H rifles can be converted to the.375 Weatherby Magnum by having the new chamber reamed with no further modifications made to the rifle. The cartridge also makes an excellent choice for those who want a step up in performance over the.375 H&H Magnum without the recoil or cost of the.378 Weatherby Magnum, the.375 Weatherby Magnum is an improved version of the.375 H&H Magnum. The parent case is based on the.300 H&H Magnum blown out, the cartridge features the Weatherby double radius shoulder. The Weatherby Magnum is not considered a proprietary cartridge as the CIP has published specifications for the cartridge, CIP recommends a 6 groove barrel with grove width of 3.25 mm, a bore Ø of 9.35 mm and a grove Ø of 9.55 mm. The recommended twist rate is one revolution in 305 mm. Case capacity is 105 gr. of water, as an improved cartridge the.375 Weatherby Magnum provides a leap in performance over its parent cartridge. The velocity gain over the.375 H&H Magnum works out to be about 240 ft/s, the.375 Weatherby Magnum fires a 270 gr at 2,940 ft/s generating 5,181 ft·lbf and a 300 gr at 2,800 ft/s which generates 5,224 ft·lbf. The cartridge generates more energy than factory loads for the.375 Remington Ultra Magnum.416 Rigby or the.458 Winchester Magnum, List of cartridges by caliber List of rifle cartridges 9mm caliber Barnes, Frank C. ed. by John T. Amber

9.
.378 Weatherby Magnum
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The.378 Weatherby Magnum was designed by Roy Weatherby in 1953. It was an original belted magnum design with no parent case, inspired by the.416 Rigby, the 215 magnum rifle primer was developed by Federal specifically for this round. The cartridge can hold upwards of 7.13 g of powder, the 378 Weatherby Magnum cartridge also has the double radius shoulder design found on the first and smaller proprietary line of Weatherby magnum cartridges. The motivation behind the development of the.378 came from the performance gains of the improved.375 Weatherby over its parent case. Roy Weatherby in 1953 killed an African elephant with one shot while on safari, however, in using this event as a marketing tool, it was revealed some African countries have a minimum 10.16 mm bullet size for hunting dangerous game. Weatherby responded by necking up the.378 to 11.63 mm and called the new cartridge the.460 Weatherby Magnum and it is considered a Safari grade cartridge. The.378 Weatherby Magnum is appropriate for taking all African game animals from large African antelopes, Nile crocodile, hippopotamus, some hunters on the North American continent employ the.378 for American elk, Brown bears, and polar bears. The.378 Weatherby will generate considerable free recoil, an average of 104 J from a 4.1 kg rifle and this compares to 27 J from a rifle chambered for. 30-06 Springfield or For the 375 H&H Magnum. The.378 has been responsible for numerous wildcat cartridges, being necked-down as the.22 Eargesplitten Loudenboomer, some of the.378 Weatherby Magnum wildcat cartridges are shortened versions, like the. 30-378 Arch and the.460 Short A-Square. Some. 378-based wildcats have gone on to be part of the Weatherby line. 30-378. 338-378.416 and.460

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